Hourly Weather Forecast - Alton, IL

12 AM
45°F
0%
4mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
43°F
Dew Point
35°F
1 AM
44°F
0%
3mph
WNW
Mostly Cloudy
Humidity
70%
Feels like
42°F
Dew Point
34°F
2 AM
42°F
0%
2mph
WNW
Mostly Cloudy
Humidity
73%
Feels like
42°F
Dew Point
34°F
3 AM
40°F
0%
2mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
40°F
Dew Point
34°F
4 AM
39°F
0%
2mph
WNW
Mostly Cloudy
Humidity
81%
Feels like
39°F
Dew Point
33°F
5 AM
37°F
0%
1mph
NW
Cloudy
Humidity
83%
Feels like
37°F
Dew Point
33°F
6 AM
37°F
0%
1mph
NW
Cloudy
Humidity
84%
Feels like
37°F
Dew Point
33°F
6:39 AM
7 AM
38°F
0%
1mph
NNW
Cloudy
Humidity
82%
Feels like
38°F
Dew Point
33°F
8 AM
41°F
0%
2mph
N
Mostly Cloudy
Humidity
76%
Feels like
41°F
Dew Point
34°F
9 AM
43°F
0%
2mph
N
Mostly Cloudy
Humidity
69%
Feels like
43°F
Dew Point
34°F
10 AM
46°F
0%
1mph
N
Mostly Cloudy
Humidity
63%
Feels like
46°F
Dew Point
34°F
11 AM
47°F
0%
1mph
N
Cloudy
Humidity
58%
Feels like
47°F
Dew Point
33°F
12 PM
49°F
0%
1mph
N
Cloudy
Humidity
54%
Feels like
49°F
Dew Point
33°F
1 PM
51°F
0%
1mph
N
Cloudy
Humidity
51%
Feels like
51°F
Dew Point
33°F
2 PM
52°F
0%
1mph
NNW
Cloudy
Humidity
48%
Feels like
52°F
Dew Point
33°F
3 PM
52°F
0%
1mph
N
Cloudy
Humidity
46%
Feels like
52°F
Dew Point
32°F
4 PM
52°F
0%
1mph
NNE
Cloudy
Humidity
47%
Feels like
52°F
Dew Point
33°F
5 PM
51°F
0%
1mph
ENE
Cloudy
Humidity
49%
Feels like
51°F
Dew Point
32°F
5:49 PM
6 PM
49°F
0%
2mph
ENE
Cloudy
Humidity
51%
Feels like
49°F
Dew Point
32°F
7 PM
47°F
0%
2mph
ENE
Mostly Cloudy
Humidity
55%
Feels like
47°F
Dew Point
32°F
8 PM
46°F
0%
2mph
ENE
Mostly Cloudy
Humidity
60%
Feels like
46°F
Dew Point
33°F
9 PM
45°F
10%
3mph
ENE
Mostly Cloudy
Humidity
65%
Feels like
45°F
Dew Point
34°F
10 PM
44°F
20%
3mph
ENE
Mostly Cloudy
Humidity
68%
Feels like
42°F
Dew Point
34°F
11 PM
42°F
30%
4mph
ENE
30% Chance of Light Rain
Humidity
72%
Feels like
40°F
Dew Point
34°F

Snow Forecast Through Wednesday

Clipper System Brings a Quick Hit of Snow

A quick hit of snow is expected across the Great Lakes into the Northeast.

Tuesday's Weather Outlook

Today's Weather Outlook

Image Provided by janeb13 via Pixabay

Post Winter Storm and Actions to Take

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

Windchill chart

Dangers of Wind Chills

Story Image via pixabay.com

Avalanche Dangers and Safety

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